Class instance variable inheritance

class A

  @options = {}

  class << self

  def inherited(subclass)
    subclass.options = {}
  end

    attr_accessor :options
    [:x].each do |name|
      define_method(name) do |value|
        @options[name] = value
      end
    end
  end

  def print
    puts "#{ self.class.name } #{ self.class.options[:x] }"
  end

  x 1
end

class B < A
  x 3
end

A.new.print
B.new.print
A.new.print